/*#include <stdio.h>
#include <math.h>
int main()
{
	double a,b,c,circumference,area,d;
	scanf("%lf %lf %lf",&a,&b,&c);
	if(a+b>=c&&a+c>=b&&c+b>=a)
	{
		circumference=a+b+c;
		d=circumference/2*1.0;
		area=sqrt(d*(d-a)*(d-b)*(d-c));
	}
	printf("circumference=%.2lf area=%.2lf",circumference,area);
	return 0;
} 
#include <stdio.h>
int main()
{
	int n,h,m,s;
	scanf("%d %d %d",&n,&h,&m);
	if(m%h!=0)
	{
		s=n-m/h-1;
	}
	else
	{
		s=n-m/h;
	}
	printf("%d",s);
	return 0;
}
#include <stdio.h>
int main()
{
	double f,c;
	scanf("%lf",&f);
	c=5*1.0/9*(f-32);
	printf("%.3lf",c);
	return 0;
}
#include <stdio.h>
int main()
{
	double r,s;
	scanf("%lf",&r);
	s=3.14*r*r;
	printf("%.2lf",s);
	return 0;
}
#include <stdio.h>
int main()
{
	double r1,r2,d;
	scanf("%lf %lf",&r1,&r2);
	d=1*1.0/(1/r1+1/r2);
	printf("%.1lf",d);
	return 0;
}
#include <stdio.h>
int main()
{
	int h,r,a;
	double v;
	scanf("%d %d",&h,&r);
	v=3.14*h*r*r;
	a=10000/(int)v;
	a=a+1;
	printf("%d",a);
	return 0;
}
#include <stdio.h>
int main()
{
	double a,b,c;
	scanf("%lf %lf",&a,&b);
	c=b+b-a;
	printf("%.0lf",c);
	return 0;
}
#include <stdio.h>
int main()
{
	double r,v;
	scanf("%lf",&r);
	v=3.14*r*r*r*4*1.0/3;
	printf("%.2lf",v);
	return 0;
} 
#include <stdio.h>
int main()
{
	int a,b,c;
	scanf("%d:%d %d",&a,&b,&c);
	a=(a+(b+c)/60)%24;
	b=(b+c)%60;
	printf("%02d:%02d",a,b);
	return 0;
}
#include <stdio.h>
int main()
{
	int n,t;
	scanf("%d",&n);
	if(n<12)
	{
		t=2;
	}
	else
	{
		t=n/12*4+2;
	}
	printf("%d",t);
	return 0;
}


#include <stdio.h>
int main()
{
	long long n,m,r,t,z,x;
	scanf("%lld %lld",&n,&m);
	if(n<m)
	{
		t=n;
		n=m;
		m=t;
	}
	z=n,x=m;
	r=n%m;
	while(r!=0)
	{
		n=m;
		m=r;
		r=n%m;
	}
	long long y=z*x/m;
	long long  sum=y+m;
	printf("%lld",sum);
	return 0;
}
#include <stdio.h>
#include <math.h>
int main()
{
	long long n,sum=0,count=0,t;
	scanf("%lld",&n);
	while(n!=0)
	{
		t=n;
		n=n%10;
		if(n%2==0)
		{
			sum=sum;
		}
		else
		{
			sum=sum+1*pow(10,count);
		}
		count++;
		n=t/10;
	}
	printf("%d",sum);
	return 0;
	
}
#include <stdio.h>
int main()
{
	int a,b,c,d;
	double sum=0;
	scanf("%d %d %d %d",&a,&b,&c,&d);
	sum=0.2*a+0.1*b+0.2*c+0.5*d;
	printf("%.1lf",sum);
	return 0;
	
}
#include <stdio.h>
int main()
{
	int a,b,c,d,sum=0;
	scanf("%d %d %d %d",&a,&b,&c,&d);
	sum=(a+b-c)*d;
	printf("%d",sum);
	return 0;
} 
#include <stdio.h>
int main()
{
	int x1,y1,x2,y2,sum=0;
	scanf("%d %d",&x1,&y1);
	scanf("%d %d",&x2,&y2);
	sum=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
	printf("%d",sum);
	return 0;
}
#include <stdio.h>
int main()
{
	int a,b,s;
	scanf("%d %d",&a,&b);
	a=a%100;b=b%100;
	s=(a+b)%100;
	if(s/10==0)
	{
		s=s%10;
	}
	printf("%d",s);
	return 0;
}
#include <stdio.h>
int main()
{
	int ch;
	scanf("%d",&ch);
	if(ch>=140)
	{
		printf("Genius");
	}
	return 0;
}
while((ch=getchar())!=EOF)
while(scanf("%d",&n)!=EOF)

#include <stdio.h>
int main()
{
	int n;
	while(scanf("%d",&n)!=EOF)
{
	if(n>=60)
	{
		printf("Pass");
	} 
	else
	{
		printf("Fail");
	}
}
	return 0;
}
#include <stdio.h>
int main()
{
	int n;
	while(scanf("%d",&n)!=EOF){
	if(n%2==0)
	{
		printf("Even\n");
	}
	else
	{
	printf("Odd\n");
	}
}
	return 0;
}
#include <stdio.h>
int main()
{
	char ch;
	while((ch=getchar())!=EOF)
	{
		getchar();
		if(ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U'||ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u')
		{
			printf("Vowel\n");
		}
		else
		{
			printf("Consonant\n");
		}
	}
	return 0;
}
#include <stdio.h>
int main()
{
	int x,i,r;
	scanf("%d %d %d",&x,&i,&r);
	if(x>=i&&x<=r)
	{
		printf("true\n");
	}
	else
	{
		printf("false\n");
	}
	return 0;
}
#include <stdio.h>
int  main()
{
	int n;
	scanf("%d",&n);
	if(n%4==0&&n%100!=0||n%400==0)
	{
		printf("yes\n");
	}
	else
	{
		printf("no\n");
	}
	return 0;
}
#include <stdio.h>
int main()
{
	char ch;
	scanf("%c",&ch);
	getchar();
	if(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z')
	{
		printf("YES\n");
	}
	else
	{
		printf("NO\n");
	}
	return 0;
}
#include <stdio.h>
int main()
{
	int a,b;
	scanf("%4d%2d",&a,&b);
	if(b>=3&&b<=5)
	{
		printf("spring\n");
	}
	else if(b>=6&&b<=8)
	{
		printf("summer\n");
	}
	else if(b>=9&&b<=11)
	{
		printf("autumn\n");
	}
	else
	{
		printf("winter\n");
	}
	return 0;
}
#include <stdio.h>
int main()
{
	double kg,m,BMI;
	scanf("%lf %lf",&kg,&m);
	BMI=kg/(m*2);
	if(BMI>=18.5&&BMI<=23.9)
	{
		printf("Normal\n");
	}
	else
	{
		printf("Abnormal\n");
	}
	return 0;
}
#include <stdio.h>
int main()
{
	int a,max=0;
	for(int i=1;i<=4;i++)
	{
	scanf("%d",&a);
		if(a>max)
		{
			max=a;
		}
	}
	printf("%d",max);
	return 0;
}*/
#include <stdio.h>
int main()
{
	char ch;
	while(scanf("%c",&ch)!=EOF)
	{
        getchar();
		if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
		{
			printf("%c is an alphabet.\n",ch);
		}
		else
		{
			printf("%c is not an alphabet.\n",ch);
		}
	}
		return  0;
}













